Eureka, Kansas Demographics & Population 2026
During the 2020–2024 ACS period, Eureka, Kansas had a total population of 2,223, the 113th largest city in Kansas, with a median household income of $48,828, which is 34% lower than the state average. The poverty rate is 22.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 34% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
Eureka Quick Facts
How Eureka Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 2,271 | 2,223 | -2.1% |
| Median household income | $45,121 | $48,828 | +8.2% |
| Median home value | $73,100 | $79,200 | +8.3% |
How Eureka Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Eureka Rankings in Kansas
Explore Kansas Rankings
Other Cities in Greenwood County
Cities Similar to Eureka
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Anthony | 2,246 | $50,598 | $69,000 | 22.4% | 21.1% |
| Cherryvale | 2,096 | $50,288 | $62,400 | 11.7% | 21.0% |
| Ellinwood | 2,192 | $56,379 | $109,300 | 20.1% | 14.1% |
| Council Grove | 2,265 | $57,962 | $134,900 | 29.6% | 13.7% |
| Belleville | 2,086 | $56,218 | $81,500 | 16.6% | 8.0% |
Population Overview
Eureka is a small community located in Kansas, within Greenwood County. The total population is 2,223. It ranks as the 113th most populous out of 721 Census-designated places in Kansas.
Age Demographics
The median age in Eureka is 42.5 years. This is 14% higher than the state median of 37.4 years.
Economy, Income & Housing
The median household income in Eureka is $48,828. This is 34% lower than the state median of $74,275. It is also 40% lower than the national median of $80,734. The poverty rate stands at 22.4%. This is 98% higher than the state poverty rate of 11.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 3.8%. This is 3% lower than the state rate of 3.9%. The median home value is $79,200. Housing costs are 64% lower than the state median of $217,200. With a home-value-to-income ratio of just 1.6x, Eureka is one of the most affordable housing markets in the area. 73.5% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 67.2%.
Race & Ethnicity
Eureka has a predominantly White (non-Hispanic) population, comprising 89.6% of all residents. Hispanic or Latino residents account for 5.0%. The Black or African American population (1.3%) is well below the state average of 5.1%. The Hispanic or Latino population (5.0%) is well below the state average of 13.6%.
Education
11.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 68% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.9%.
Data Sources & Methodology
All demographic data for Eureka, Kansas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Kansas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 721 Census-designated places in Kansas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Eureka, Kansas?
Eureka, Kansas has a population of 2,223 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Eureka, KS?
The median household income in Eureka is $48,828, which is 40% lower than the national median of $80,734.
What is the poverty rate in Eureka, KS?
The poverty rate in Eureka is 22.4%. This means approximately 482 residents live below the federal poverty line.
What is the racial makeup of Eureka, Kansas?
Eureka's population is 89.6% White, 1.3% Black, 5.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Eureka, KS?
The median home value in Eureka is $79,200. The home-value-to-income ratio is 1.6x.
How educated is Eureka, Kansas?
11.3% of adults (25+) in Eureka hold a bachelor's degree or higher, and 2.6% hold a graduate or professional degree.